Comparison between Samsung C34J791 vs LG 34WN780

General Info
Model Number	Samsung C34J791	LG 34WN780

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Type	Monitor	Monitor
Year	2018	2020
Brand	Samsung	LG
Model Number	C34J791	34WN780
Alias	LC34J791WTEXXS	34WN780-B
Display
Screen Size Class	34" (inches)	34" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	34 in 86.4 cm 863.6 mm 2.83 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	31.25 in 79.4 cm 793.77 mm 2.6 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	13.39 in 34 cm 340.19 mm 1.12 ft
Display Curvature	1500
Display Manufacturer	Samsung
Display Type	SVA	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	21:9	21:9
Screen Resolution	3440 x 1440	3440 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	110 ppi
Screen-to-Body Ratio	91.27 %	90.27 %
Backlight Source	Edge LED	W-LED
sRGB	125 %	99 %
Adobe RGB 1998	92 %
Screen Brightness	300 cd/m²	300 cd/m²
Max Screen Brightness		430 cd/m²
Static Screen Contrast	3000 : 1	1000 : 1
Dynamic Screen Contrast	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	6 ms
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	14 ms
Display Coating	Anti-glare/Matte (2H)	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	6.57 in 16.7 cm 167 mm 0.55 ft	1.8 in 4.6 cm 45.72 mm 0.15 ft
Case Weight	6.3 kg 14 lbs	6.89 kg 15 lbs
Case Width with Stand	31.84 in 80.9 cm 808.7 mm 2.65 ft	32.2 in 81.8 cm 817.88 mm 2.68 ft
Case Height with Stand	20.31 in 51.6 cm 516 mm 1.69 ft	18.9 in 48 cm 480.06 mm 1.58 ft
Case Depth with Stand	12.18 in 30.9 cm 309.4 mm 1.02 ft	16 in 40.6 cm 406.4 mm 1.33 ft
Case Weight with Stand	7.7 kg 17 lbs	10.8 kg 24 lbs
Case Color	White, Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.2 2 x Thunderbolt 3.0 1 x 3.5 mm Audio Out 2 x USB 2.0 (downstream) 1 x HDMI 1.4	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 2 x USB 3.0 (Type-A; downstream) 1 x USB 3.0 (Type-B; upstream)
Audio
Audio Speakers	2 x 7W	2 x 7W
Features
Cool Features	Eye Saver Mode Flicker-free technology Picture-by-Picture Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) AMD FreeSync technology Eco Saving Plus	AMD FreeSync technology Smart Energy Saving Screen Split 2.0 Super Resolution+ Black Stabilizer Low Blue Light Color Weakness Mode Dual Controller Reader Mode Picture-by-Picture Dynamic Action Sync Color Calibrated 3-Side Virtually Borderless Design Picture-in-Picture Flicker-free technology Adaptive-Sync technology HDR Effect
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	31.84 in 80.9 cm 808.7 mm 2.65 ft	32.2 in 81.8 cm 817.88 mm 2.68 ft
Case Height	14.28 in 36.3 cm 362.8 mm 1.19 ft	14.4 in 36.6 cm 365.76 mm 1.2 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	100 mm 10 cm 3.937 in 0.3281 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	Yes
Left Swivel		280 °
Right Swivel		280 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	2 °	5 °
Backward Tilt	34 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 100 Hz	56 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 152 kHz	30 kHz - 90 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		HDMI cable
Certificates and Standards
Licenses	ENERGY STAR FCC Class B ISO9241-307 TÜV/Ergonomics
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	0 % - 85 %

Samsung C34J791

LG 34WN780